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1.In this article, we study the infinite boundary value problems for first order nonlinear impulsive differential equations with "supremum" by means of the upper and lower solution method and the monotone iterative technique, and obtain the existence theorems for their extremal solutions.
摘要应用上下解方法和单调迭代技术研究了带有上确界的一阶非线性脉冲微分方程无穷边值问题，并获得了其极值解的存在性结果。收藏指正
2.Ⅱ. To use the EOQ formula of the infinite time period in every stage, to order at the lower costs of the former stage when stage changes whether the stock is zero or not at the joint of two stages;
Ⅱ．每阶段均按无限时域EOQ公式订货，在阶段末的库存不为零时，也要以前一期的较低费用补货；收藏指正
3.Let me ask you further , is it necessary for that one to be able to consciously embrace the infinite aspects of life and choose for them in order to get past the immediate effects of the drug overdose?
我再进一步问你，若想捱过药瘾发作的这段时间，患者必须有意识地接受且选择那生命的无限性吗？收藏指正
4.In this paper, by constructing a special cone and using Krasnoselskii fixed point theorem, the existence of two positive unbounded solutions of infinite boundary value problem of a class of nonlinear second order differential equation is proved.
摘要本文通过构造一个特殊的锥，利用锥拉压不动点定理，证明了一类非线性二阶微分方程无穷边值问题的两个正无界解的存在性。收藏指正
5.With the solutions of the biharmonic equation at boundary value in a semi-infinite stripe,a weighted energy function is established.An exponential decay estimation in terms of the distance from the finite end of the stripe is obtained from a second order differential inequality.
对半无限带状区域上双调和方程边值问题建立了能量衰减估计,证明了以方程的解建立的加权能量随着与区域有限端距离的增长,该能量呈指数式衰减。收藏指正
6.In order to model self-similar network traffic source and make simulation in NS, we use the superposition of an infinite number of source traffic whose durations of the On/Off periods according to Pareto distribution. Comparing with measured traffic based on the same estimating method of Hurst, we validate the effectiveness of the way for creating self-similar traffic.
同时，通过采用多个独立的On／Off周期内Pareto分布的流量进行叠加产生自相似过程的方法，在网络模拟器NS下对生成具有自相似特征的网络流量进行建模仿真，同样采用经验的Hurst参数估计方法，与测量得到的实际流量进行比较，验证仿真流量可以有效地反映真实网络流量。收藏指正
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